<!DOCTYPE html>
<html lang="en">

<head>
    <meta http-equiv="content-type" content="text/html; charset=utf-8" />
    <title>QSKJ_LOCAL</title>
    <script type="text/javascript" src="/Public/Build/Cesium/Cesium.js"></script>
    <script src="/Public/js/jquery-3.7.1.min.js"></script>
    <script src="/Public/js/utilsForCesium.js"></script>
    <link rel="stylesheet" href="/Public/Build/Cesium/Widgets/widgets.css">
    <style>
        .camera-info {
            position: absolute;
            display: flex;
        }

        .camera-info>span {
            margin-left: 20px;
            color: white;
            font-size: 20px;
            font-weight: 800;
            z-index: 450;
        }
    </style>
</head>

<body>
    <div id="cesiumContainer">
        <div class="camera-info">
            <span id="c-heading"></span>
            <span id="c-pitch"></span>
            <span id="c-jd"></span>
            <span id="c-wd"></span>
            <span id="c-height"></span>
        </div>
    </div>
    <script>
        Cesium.Ion.defaultAccessToken = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI0MjczNDgzMy1hYzE1LTRjNWYtODZhMS01MjZkNWRiMDc2MmUiLCJpZCI6ODIxMzAsImlhdCI6MTY0NDU0ODc0M30.LpGXXWsbQXucV5MTeC2g8BCAQWiZp612gosWcK-7ocE';

        const viewer = new Cesium.Viewer('cesiumContainer', {
            infoBox: false, //不设置会在浏览器F12报错
            animation: false,
            terrain: Cesium.Terrain.fromWorldTerrain(),
            geocoder: false, //控制右上角第一个位置的查找工具
            homeButton: true, //控制右上角第二个位置的home图标
            sceneModePicker: false, //控制右上角第三个位置的选择视角模式，2d，3d
            baseLayerPicker: true, //控制右上角第四个位置的图层选择器
            navigationHelpButton: false, //控制右上角第五个位置的导航帮助按钮
            animation: false, //控制左下角的动画器件
            timeline: false, //控制下方时间线
            fullscreenButton: false, //右下角全屏按钮
        });
        viewer.cesiumWidget.screenSpaceEventHandler.removeInputAction(Cesium.ScreenSpaceEventType.LEFT_CLICK);

        regClickPrimitive(viewer);

        viewer.camera.changed.addEventListener(() => {
            let heading = Cesium.Math.toDegrees(viewer.camera.heading).toFixed(2)
            let pitch = Cesium.Math.toDegrees(viewer.camera.pitch).toFixed(2)
            let viewHeight = viewer.camera.positionCartographic.height.toFixed(2)
            var positionCartographic = Cesium.Cartographic.fromCartesian(viewer.camera.position);
            var longitude = Cesium.Math.toDegrees(positionCartographic.longitude).toFixed(2);
            var latitude = Cesium.Math.toDegrees(positionCartographic.latitude).toFixed(2);
            var height = positionCartographic.height.toFixed(2);
            $("#c-heading").text(`heading:${heading}`)
            $("#c-pitch").text(`pitch:${pitch}`)
            $("#c-jd").text(`视角经度:${longitude}`)
            $("#c-wd").text(`视角纬度:${latitude}`)
            $("#c-height").text(`视角高度:${height}`)

        })
        // viewer.scene.globe.show = false;
        $.get("/Public/data/nature_reserve.json", {}, function (data) {
            data.features.forEach(feature => {
                const pls = feature.geometry.rings[0]
                var pts = []
                pls.forEach(pl => {
                    pts.push(pl[0])
                    pts.push(pl[1])
                })
                const polygon = new Cesium.PolygonGeometry({
                    polygonHierarchy: new Cesium.PolygonHierarchy(
                        Cesium.Cartesian3.fromDegreesArray(pts)
                    ),
                });
              


                viewer.entities.add({
                    position: Cesium.Cartesian3.fromDegrees(getCentroid(pls)[0], getCentroid(pls)[1]),
                    
                    point: {
                        color: Cesium.Color.FIREBRICK,
                        pixelSize: 6,
                        outlineColor: Cesium.Color.DARKSLATEGREY,
                        outlineWidth: 3,
                        heightReference: Cesium.HeightReference.CLAMP_TO_GROUND,
                        disableDepthTestDistance: Number.POSITIVE_INFINITY,

                    },
                });

                viewer.camera.setView({
                    destination: Cesium.Cartesian3.fromDegrees(
                        102.68, 29.73,
                        39929.52
                    ),
                    orientation: {
                        heading: Cesium.Math.toRadians(347.29),
                        pitch: Cesium.Math.toRadians(-39.84),
                        roll: 0.0,
                    },
                });

            })
        })
    </script>
    </div>
</body>

</html>